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An all-in-one tool to restore/downgrade, save SHSH blobs, and jailbreak legacy iOS devices
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restore.sh |
iOS-OTA-Downgrader
(formerly 32bit-OTA-Downgrader)
Downgrade/restore iOS devices to signed OTA firmwares
- Please see "Other notes" below to serve as answers for FAQs
Supported devices:
- iOS 10.3.3: All A7 devices are supported except iPad4,6 iPad4,7 iPad4,8 iPad4,9
- iOS 8.4.1: All A5, A5X, A6, and A6X devices are supported except iPhone5,3 and 5,4 (iPhone 5C)
- iOS 6.1.3: Only iPhone 4S and iPad 2 devices are supported except iPad2,4 (iPad 2 Rev A)
Prerequisites:
- A supported device:
- A 32-bit iOS device (any version, jailbreak needed)
- An A7 device (any version, jailbreak not needed)
- An IPSW for the version you want to downgrade to (the script can also download it for you)
- A macOS or a 64-bit Linux install/live USB (see distros tested on below) (a live USB can be easily created with tools like balenaEtcher or Rufus)
- 32-bit users only:
- iOS 7/8 Pangu users: Install the latest Pangu 7.1.x Untether (deb) or latest Pangu 8.0-8.1.x Untether (deb)
- iOS 9 and below users: Install OpenSSH; The computer and iOS device must be on the same network for SSH to work
- iOS 10 users: Install MTerminal
- Download or
git clone
this repo - Open Terminal,
cd
to the directory where the script is located (example:cd /home/user/iOS-OTA-Downgrader
) - Run
chmod +x restore.sh
How to use:
- Plug in your iOS device
- Run
./restore.sh
- Select option to be used
- Follow instructions
Other notes:
- You do NOT need blobs to use this, the script will get them for you
- This script will verify the IPSW with SHA1sum before restoring
- 32-bit only:
- This script does not modify the IPSW
- To devices with baseband, this script will restore your device with the latest baseband
- This script has a workaround for the activation error on devices downgrading from iOS 10
- This script uses futurerestore "Odysseus method" for downgrading (different from OdysseusOTA/2, which are deprecated)
- This script only uses iBSS patches for entering kDFU mode
- This script can also be used to just enter kDFU mode for all supported devices
- This script can also be used to futurerestore to other iOS versions with provided SHSH blobs
- This script can work on virtual machines, but I won't provide support for them
OS versions/distros tested on:
- Ubuntu 20.04
- Arch Linux
- Manjaro (Testing branch)
- Fedora 32
- macOS 10.13.6 High Sierra, 10.14.6 Mojave, 10.15.5 Catalina
Tools and other stuff used by this script:
- cURL
- bspatch
- ifuse
- igetnonce
- ipwndfu
- libimobiledevice utilities
- python2
- python3
- tsschecker
- futurerestore 152 (Linux) (32-bit)
- futurerestore 249 (Linux) (A7)
- futurerestore 245 (macOS)
- xpwntool
- kloader
- kloader5 for iOS 5
- kloader_hgsp for iOS 10
- partialZipBrowser
- 32-bit iBSS patches are from OdysseusOTA, OdysseusOTA2, alitek12, gjest
- A7 iBSS and iBEC patches are from MatthewPierson